. >> will it be a super tuesday for mitt romney? republicans battle in 10 states and the party moves closer to a nominee. taking on the world's fastest man. prince harry tries to get the jump, making for quite the jubilee visit to jamaica. welcome to our viewers in a america and around the globe. the regime has so much blood on its hands already that it is bound to continue its violent crackdown. that is the grim assessment of britain's ambassador to damascus. he spoke to the bbc amid further allegations of atrocities committed by syrian forces after they entered the thebabr amr district of homs. our diplomatic correspondent reports. >> this is why so many families are fleeing syria. it looks as if government forces are still selling parts of homs. it is hard to be certain when the pictures were taken. more than 1500 syrians have fled into lebanon in the last few days with no end to the violence in sight. britain's ambassador to syria was withdrawn last week. today, he told me about some of the suffering he witnessed. >> i have met